<?php

namespace mall\controllers;

use biz\shop\classes\ShopClass;
use bizHd\wx\classes\WxOpenClass;
use bizMall\merchant\services\MerchantService;
use bizMall\user\classes\UserClass;
use bizMall\user\services\UserService;
use common\components\httpUtil;
use common\components\jwt;
use common\components\stringUtil;
use Yii;
use common\components\util;
use common\services\xhMerchantService;
use common\components\wxUtil;
use linslin\yii2\curl;
use yii\helpers\Json;

class AuthController extends PublicController
{

    //准备授权 ssh 2019.11.19
    public function actionPrepare()
    {
        $get = Yii::$app->request->get();
        $url = isset($get['url']) && !empty($get['url']) ? $get['url'] : '';
        if (empty($url)) {
            util::fail('没有网址');
        }
        $account = httpUtil::getAccount($url);
        if (empty($account)) {
            util::fail('没有商家帐号');
        }
        $sj = MerchantService::getById($account);
        if (empty($sj)) {
            util::fail('商家无效');
        }
        /**
         * authScope 参数的说明
         * 1.用户通过公众号菜单打开网页，因为已经关注过了公众号，已经生成过用户信息，所以只要使用snsapi_base静默方式拿到openid就可以
         * 2.为了保证付款页的访问速度，暂时只要通过snsapi_base静默方式拿到openid先生成可以用的用户信息即可
         * 3.其它情况需要获取用户完整信息的，使用snsapi_userinfo让用户授权获取信息即可
         * 4.snsapi_base静默方式使用的场景更多，所以参数authScope默认使用snsapi_base
         */
        $authScope = isset($get['authScope']) ? $get['authScope'] : 'snsapi_base';
        $urlEncode = stringUtil::urlSafeB64Encode($url);
        //微信授权获取code ssh 2019.11.24
        wxUtil::getCode($urlEncode, $sj, $authScope);
        util::end();
    }

    //微信授权获取用户信息 ssh 2019.11.20
    public function actionGetUserInfo()
    {
        $get = Yii::$app->request->get();
        $code = isset($get['code']) ? $get['code'] : '';
        if (empty($code)) {
            util::fail('没有获取用户code');
        }
        if (isset($get['state']) && $get['state'] == 'authdeny') {
            util::fail('auth fail');
        }
        $urlEncode = $get['url'];
        $url = stringUtil::urlSafeBase64Decode($urlEncode);
        $account = httpUtil::getAccount($url);
        if (empty($account)) {
            util::stop('商店ID无效。');
        }
        $sj = xhMerchantService::getByAccount($account);
        if (empty($sj)) {
            util::stop('商店无效');
        }
        $sjId = $sj['id'];
        $authScope = isset($get['authScope']) ? $get['authScope'] : '';
        if (empty($authScope)) {
            util::stop('没有授权类型');
        }
        $data = wxUtil::getOpenId($code, $sj);
        if ($data === false) {
            //微信授权获取code ssh 2019.11.24
            wxUtil::getCode($urlEncode, $sj, $authScope);
            util::end();
        }
        $openId = $data['openid'];
        $access_token = $data['access_token'];
        $user = UserService::getByOpenId($openId);
        //用户来源
        $userSource = Yii::$app->dict->getValue('userSourceGetId', 'official');
        $source = $userSource['name'];
        if (empty($user)) {
            //$authScope 默认是 snsapi_base 公众号菜单打开网页(已经关注公众号，有完整信息)、打开付款页(有些客户只付款，没有后续可以不用登记完整信息)，只需要获取openid
            $originalInfo = [];
            $originalInfo['openId'] = $openId;
            $originalInfo['sjId'] = $sjId;

            //没有关注公众号，需要获取用户完整信息的情况，则通过弹框授权
            if ($authScope == 'snsapi_userinfo') {
                $baseInfo = wxUtil::authGetUserInfo($openId, $access_token);
                $originalInfo = array_merge($baseInfo, $originalInfo);
                $originalInfo['isFull'] = 1;
                $originalInfo['unionId'] = $baseInfo['unionid'];
                $originalInfo['headImgUrl'] = $baseInfo['headimgurl'];
                $originalInfo['nickName'] = $baseInfo['nickName'];
            }
            $user = UserClass::replaceUser($originalInfo, $source, $sjId);
        } else {
            if ($user['isFull'] == 0) {
                if ($authScope == 'snsapi_userinfo') {
                    $baseInfo = wxUtil::authGetUserInfo($openId, $access_token);
                    $originalInfo = $baseInfo;
                    $originalInfo['isFull'] = 1;
                    $originalInfo['unionId'] = $baseInfo['unionid'];
                    $originalInfo['headImgUrl'] = $baseInfo['headimgurl'];
                    $originalInfo['openId'] = $baseInfo['openid'];
                    $originalInfo['nickName'] = $baseInfo['nickName'];
                    $originalInfo['sjId'] = $sjId;
                    $user = UserClass::replaceUser($originalInfo, $source, $sjId);
                }
            }
        }
        //这个的基类没有设置统一的全局变量，这里进行设置一次
        $userId = $user['id'];
        //获取token
        $token = jwt::getNewToken($userId);
        $url = strpos($url, '?') === false ? $url . '?token=' . $token : $url . '&token=' . $token;
        $this->redirect($url);
    }

    /**
     * 静默获取小程序用户信息
     * 职责：通过微信小程序 code 换取 openid 和 session_key 并自动登录商城端
     * 入参：GET 传参 code (微信临时登录凭证)
     * 返回：登录成功返回 token、用户信息等；失败返回错误提示
     * 副作用：会将 session_key 写入 Redis 缓存
     */
    public function actionMiniInfo()
    {
        $code = Yii::$app->request->get('code', '');
        if (empty($code)) {
            util::fail('没有CODE信息');
        }
        $sjWx = $this->sjWx;
        $appId = $sjWx['miniAppId'];
        $appSecret = $sjWx['miniAppSecret'];
        if (empty($appSecret)) {
            util::fail('没有找到小程序的密钥');
        }
        $url = "https://api.weixin.qq.com/sns/jscode2session?appid={$appId}&secret={$appSecret}&js_code={$code}&grant_type=authorization_code";
        $curl = new curl\Curl();
        $curl->setOption(CURLOPT_SSL_VERIFYPEER, false);
        // 复杂分支/关键逻辑：设置 cURL 连接和执行超时，并强制使用 IPv4，防止因微信接口卡顿或 DNS 解析慢拖垮 PHP-FPM 进程
        $curl->setOption(CURLOPT_CONNECTTIMEOUT, 2); // 连接超时限制为 2 秒，避免网络握手长时间卡死
        $curl->setOption(CURLOPT_TIMEOUT, 3);        // 总执行时间限制为 3 秒，避免请求挂起时间过长
        $curl->setOption(CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); // 强制 IPv4 解析，防止 IPv6 解析超时重试
        $result = $curl->get($url);
        $arr = Json::decode($result);
        $sessionKey = isset($arr['session_key']) ? $arr['session_key'] : '';
        $miniOpenId = isset($arr['openid']) ? $arr['openid'] : '';
        if (empty($miniOpenId)) {
            util::fail('没有获取到用户的miniOpenId');
        }
        $user = UserClass::getByCondition(['miniOpenId' => $miniOpenId]);
        $cacheKey = 'MALL_MINI_SESSION_KEY_' . $miniOpenId;
        Yii::$app->redis->executeCommand('SET', [$cacheKey, $sessionKey]);
        $userId = $user['id'] ?? 0;

        if ($userId == 2) {
            //$userId = 106904;
        }

        if($userId>0){
            $mallUpgrading = getenv('MALL_UPGRADING') == false ? 0 : getenv('MALL_UPGRADING');
            if ($mallUpgrading == 1) {
                $allowShopAdminIdsStr = getenv('MALL_UPGRADE_ALLOW_USER_IDS') ?: '';
                $allowShopAdminIds = !empty($allowShopAdminIdsStr) ? explode(',', $allowShopAdminIdsStr) : [];
                if (!in_array($userId, $allowShopAdminIds)) {
                    util::fail('系统升级中，稍后再试，编号：'.$userId);
                }
            }
        }

        $token = !empty($userId) ? jwt::getNewToken($userId) : '';
        util::success([
            'token' => $token,
            'user' => $user,
            //有小程序新版本提示更新
            'update' => 1,
            'miniOpenId' => $miniOpenId
        ]);
    }

}